The sum of twice a number, a, and 13 is two less than three times the number, a.

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The sum of twice a number, a, and 13 is two less than three times the number, a.

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Thu Cúc 4 years 2021-08-31T16:18:24+00:00 1 Answers 17 views 0

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  1. Thunguyet
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    2021-08-31T16:20:07+00:00
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    Answer:

    2x = 16. If three less than twice a number is 13, then, twice of that number is three more than 13 ( that is, 16). Therefore, the number is half of 16. So, the number is, 8.

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Giải phương trình 1 ẩn: x + 2 - 2(x + 1) = -x . Hỏi x = ? ( )